Ulrich Bonnell Phillips was an American historian who largely defined the field of the social and economic studies of the history of the Antebellum South and slavery in the U.S. Phillips concentrated on the large plantations that dominated the Southern economy, and he did not investigate the numerous small farmers who held few slaves. He concluded that plantation slavery produced great wealth, but was a dead end, economically, that left the South bypassed by the industrial revolution underway in the North.

Ulysses S. Grant was an American military officer and politician who served as the 18th president of the United States from 1869 to 1877. As Commanding General, he led the Union Army to victory in the American Civil War in 1865 and thereafter briefly served as U.S. Secretary of War. Later, as president, Grant was an effective civil rights executive who signed the bill that created the Justice Department and worked with Radical Republicans to protect African Americans during Reconstruction.

Upton Beall Sinclair Jr. was an American writer, muckraker, political activist and the 1934 Democratic Party nominee for governor of California who wrote nearly 100 books and other works in several genres. Sinclair's work was well known and popular in the first half of the 20th century, and he won the Pulitzer Prize for Fiction in 1943.

Uriah Smith was a Seventh-day Adventist author, minister, educator, and theologian who is best known as the longest serving editor of the Review and Herald for over 50 years.